How about Jeff Cooper's Lion Scout?
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http://www.jeffcooperfoundation.org/news/mediagallery/media.php?f=1&s=20080312145745152[/img]
Or Baby, his short, stout, iron-sighted 460 G&A?
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http://www.jeffcooperfoundation.org...p?f=0&sort=0&s=20080312145715941[/img]
Sir Samuel Baker's Baby would something (2ish bore), firing that 1/2 lb explosive shell and all.
Handguns? Maybe Jim Cirillo's S&W Model 10, or Bill Jordan's Model 19.